Gabriel Gallagher

Managing Director, Sustainable Energy Ltd

Gareth Field

Retrofit information support and expertise (RISE) Supply Chain Lead, RISE

Gary Clark

Principal and Managing Director, HKS London and co-author of the RIBA Sustainable Outcomes Guide

Gary Elliott

Chief Executive and Founder, Elliott Wood

Gary Lawson

Sustainable Group

Gary Winn

Chartered Architect, Chartered Building Engineer and Chartered Arboriculturist, Arbitect Ltd

Gavin Haynes

Director of Property Management, London Borough of Camden

George Massoud

Director, Material Cultures

George Simms

Head of Net Zero Homes & Communities, West Midlands Combined Authority

Georgie Hopkins

DICE Network+ Manager, University of Exeter Business School

Gilles Alvarenga

WLC & Circular Economy Lead, Cundall

Gizem Eren

Project Specification Manager, Saint Gobain Retrofit & Refurbishment

Grainne Regan

Propositions Director, E.ON Next

Gwilym Still

Director, Max Fordham